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The first test in a math class was graded on a 0100 scale. That mean score was 80. Which of the fo ...
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The first test in a math class was graded on a 0100 scale. That mean score was 80. Which of the following values is more plausible for the standard deviation? How do you do this? A. 0 B. 8 C. 14 D. 62
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